formbook | 2af9584a5b0db854faf93cf0f215bebf8c6f463fa103d364a6def9c21621fa38

Analysis

max time kernel
147s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 15:49

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General

Target

payment information.exe
Size

677KB
MD5

79b677627ca09f3e8e15bdad1040b11d
SHA1

bfb6d6fbdec73cc0715a21f40895ab442a279734
SHA256

8f41896e69d1f83408cf68e4d6fc56849a6ee6b86145e7cc68d6caed660ac582
SHA512

b5e6c0a66bcdd05bd53de3efd33b7c5f5faea5799de4f7aa8a31a68a9c872f27d6886807ef2e3ae9e7541804313d1c51efa66085d52e51e60fc6f62f23fe1a83
SSDEEP

12288:u4xLs4Eha1KQwdtcyTD3G3eVHCpPwRksFfwGsRPrC/uL11HDsqHx6YTkhBoM3:u4tE41Ydt9G3epfwGsV2/A1HdxchBoM

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2800-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2616-29-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1740	powershell.exe
2756	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 2800	2424	payment information.exe	37
PID 2800 set thread context of 1200	2800	RegSvcs.exe	21
PID 2616 set thread context of 1200	2616	chkdsk.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	payment information.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2424	payment information.exe
2756	powershell.exe
1740	powershell.exe
2424	payment information.exe
2800	RegSvcs.exe
2800	RegSvcs.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe
2616	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2800	RegSvcs.exe
2800	RegSvcs.exe
2800	RegSvcs.exe
2616	chkdsk.exe
2616	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	payment information.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	1740	powershell.exe
Token: SeDebugPrivilege	2800	RegSvcs.exe
Token: SeDebugPrivilege	2616	chkdsk.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1740	2424	payment information.exe	31
PID 2424 wrote to memory of 1740	2424	payment information.exe	31
PID 2424 wrote to memory of 1740	2424	payment information.exe	31
PID 2424 wrote to memory of 1740	2424	payment information.exe	31
PID 2424 wrote to memory of 2756	2424	payment information.exe	33
PID 2424 wrote to memory of 2756	2424	payment information.exe	33
PID 2424 wrote to memory of 2756	2424	payment information.exe	33
PID 2424 wrote to memory of 2756	2424	payment information.exe	33
PID 2424 wrote to memory of 2824	2424	payment information.exe	35
PID 2424 wrote to memory of 2824	2424	payment information.exe	35
PID 2424 wrote to memory of 2824	2424	payment information.exe	35
PID 2424 wrote to memory of 2824	2424	payment information.exe	35
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 2424 wrote to memory of 2800	2424	payment information.exe	37
PID 1200 wrote to memory of 2616	1200	Explorer.EXE	38
PID 1200 wrote to memory of 2616	1200	Explorer.EXE	38
PID 1200 wrote to memory of 2616	1200	Explorer.EXE	38
PID 1200 wrote to memory of 2616	1200	Explorer.EXE	38
PID 2616 wrote to memory of 1448	2616	chkdsk.exe	39
PID 2616 wrote to memory of 1448	2616	chkdsk.exe	39
PID 2616 wrote to memory of 1448	2616	chkdsk.exe	39
PID 2616 wrote to memory of 1448	2616	chkdsk.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\payment information.exe
  "C:\Users\Admin\AppData\Local\Temp\payment information.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\payment information.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1740
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jQxyJJEBfe.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jQxyJJEBfe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC31.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2824
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2800
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC31.tmp

Filesize
1KB

MD5
22308e1c18cae824e1ba42705bf6837f

SHA1
969cd8917353c010dca11180a61422590be0108f

SHA256
2d4bf1a0968e86f3d0c030a89fc17b6c63c3ea9ff37a22c2ebd858257e2dc384

SHA512
141402e23375b1950a09f8bf88d0fb8c363b8754364f1e5b215eefebbff4f8c1fb89a50367fad87e54eb215c4a76dd0aeb7821b930ad8e95a3a47f9a5ffc3740

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UFDKV5L8T25IQXZYABUE.temp

Filesize
7KB

MD5
0d0522a1e21ae8f45deb8e2544569fe5

SHA1
636729fa8b4fe242656b0434167a0306763083fb

SHA256
4f633d034c7a2bf348d6344090f028add880acc2a9b7e4137836b62a4170f160

SHA512
de538fca0184515cf6090cdfb34968da6284da714e9aab2267aa5237f8d38f3d03b00a4c480309963156368967c3365bb0e552d104820ca4cb833faa80245b8b

Download Submit
memory/2424-4-0x00000000009F0000-0x0000000000A0E000-memory.dmp

Filesize
120KB

Download
memory/2424-1-0x00000000012E0000-0x0000000001390000-memory.dmp

Filesize
704KB

Download
memory/2424-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2424-5-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2424-6-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-7-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2424-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-3-0x0000000005CD0000-0x0000000005D78000-memory.dmp

Filesize
672KB

Download
memory/2424-26-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2616-28-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

Filesize
28KB

Download
memory/2616-29-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2800-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2800-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2800-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download